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It might be a basic question but I have searched and find no same question.

The question is...

There seems to be contradiction about the back posture for road biking.

Some people suggest arch-backed is correct, but the other people say no no it's not.

Which one is more correct?

[Arch-backed is correct] Arch-backed is correct

Source: https://cyclistzone.com/what-is-the-main-reason-behind-road-bike-neck-pain/

[Arch-backed is not correct] Arch-backed is not correct Source: http://www.ilovebicycling.com/how-to-fix-back-pain-cycling/

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    The first site you linked to looks like a bunch if low quality content scraped together for clicks – Argenti Apparatus Mar 30 '18 at 18:56
  • This question is missing information. Its a road bike, but do you want to go fast-as with no regard for comfort, or are you tootling along in traffic and need to be visible? How long is your ride - short or long ? – Criggie Mar 31 '18 at 0:52
  • @ArgentiApparatus good spotting. The stick figure appears to be on a flat bar bike too, so no real opportunity to move the hands. The question is about "road biking" - does that mean drop bars or just riding on the road? – Criggie Mar 31 '18 at 0:57
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    @Criggie After 100km and 500m ascent riding, my neck hurts. So I try to find solution about posture and find the contradiction. – Cray Kao Mar 31 '18 at 11:30
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    @CrayKao does your helmet have a brim or visor ? If so, consider removing it. Most MTB helmets have a visor for sun and rain, and road helmets tend to not. The visor is in your line of sight more on a road bike, means lifting your head to see forward, which crans your neck and can cause pain. Visors are still useful though, which is why some people wear cycling caps. – Criggie Mar 31 '18 at 12:12
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From experience, a neutral/middling position between the two pictured extremes is about normal, assuming you're on the hoods.

When you want to get aero and go fast, then your head is lower, and your back should be more level while ideally remaining straight like an arrow.

When climbing, your aero benefit drops so its easier to breath when you're upright and on the hoods or right up on the tops. In this case, sitting up is much better for your power output which becomes muscle/HR limited, not oxygen-limited.

When you get tired on a long ride, its easy to arch the back which contributes to overall pain. The fix is to safely flex to the other side of neutral.

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  • It sounds reasonable but I dont who devotes the answer and the reason..? – Cray Kao Mar 31 '18 at 11:31
  • @CrayKao Probably because its a boring "middling" answer without any useful information. Your body is telling you something is wrong. – Criggie Mar 31 '18 at 12:10

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